Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10180418 | Lens-attached tissue cell pressurization device | Sang Kuy Han, Hyun Jong Shin | 2019-01-15 |
| 4771748 | Spark-ignition, air-compressing, internal combustion engine | Franz Chmela, Richard Meier | 1988-09-20 |
| 4492194 | Spark-ignition air-compressing internal combustion engine | Franz Chmela, Richard Meier | 1985-01-08 |
| 4242668 | Cart theft prevention system | — | 1980-12-30 |